diff --git a/block/src/qcow_async.rs b/block/src/qcow_async.rs
index 226ed7bcf..f9cd0572e 100644
--- a/block/src/qcow_async.rs
+++ b/block/src/qcow_async.rs
@@ -89,3 +89,5 @@ impl disk_file::DiskFd for QcowDiskAsync {
         BorrowedDiskFd::new(self.data_raw_file.as_fd().as_raw_fd())
     }
 }
+
+impl disk_file::Geometry for QcowDiskAsync {}